Perhaps you should try some spelling variations:
hoc thich » hoc tich, hoc thuc, hoc thieu
nghia cua » nghiep cua, nghia xa, nghia duy
nhung van » phung van, nhung bai, thong van
nhung cau » chung cu, nhung bai, nhu cau
sach hoa » sach ha, sach hoi, bach hoa
nghi cua » nghe cua, ngai cua, nghiep cua
su sach » so sach, vu sach
ho vi » hoc vi, hoa vi, ho voi

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su sach hoa hoc thich ((nghi cua) or (nghia cua)) ets : ((nhung van) OR (nhung cau)) ho vi đai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach hoa hoc thich ((nghi cua) OR (nghia cua)) ets : ((nhung van) OR (nhung cau)) ho vi đai.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach hoa hoc thich ((nghi cua) or (nghia cua)) ets : ((nhung van) OR (nhung cau)) ho vi đai".
• Adding a wildcard symbol may retrieve word variants: su sach hoa hoc thich ((nghi cua) or (nghia cua)) ets : ((nhung van) OR (nhung cau)) ho vi đai*.